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Make sure we do not accidentially "fix" cnt to something < 0
Originally committed as revision 7788 to svn://svn.ffmpeg.org/ffmpeg/trunk
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c0a8b87600
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@ -87,11 +87,11 @@ static inline void copy(LZOContext *c, int cnt) {
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register uint8_t *src = c->in;
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register uint8_t *dst = c->out;
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if (cnt > c->in_end - src) {
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cnt = c->in_end - src;
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cnt = FFMAX(c->in_end - src, 0);
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c->error |= LZO_INPUT_DEPLETED;
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}
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if (cnt > c->out_end - dst) {
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cnt = c->out_end - dst;
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cnt = FFMAX(c->out_end - dst, 0);
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c->error |= LZO_OUTPUT_FULL;
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}
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#if defined(INBUF_PADDED) && defined(OUTBUF_PADDED)
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@ -122,7 +122,7 @@ static inline void copy_backptr(LZOContext *c, int back, int cnt) {
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return;
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}
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if (cnt > c->out_end - dst) {
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cnt = c->out_end - dst;
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cnt = FFMAX(c->out_end - dst, 0);
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c->error |= LZO_OUTPUT_FULL;
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}
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if (back == 1) {
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